Planning for the weather is a good way to make your trip to Olden relaxing and enjoyable, especially when you're splurging. The hottest months are usually July and August, with an average temperature of 12°C, while the coldest months are January and February, with an average of 0°C. The snowiest months in Olden are December, January, February and March, with each month seeing an average of 36 cm of snowfall.